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Test your basic knowledge |
Biomedical Engineering Heart
Start Test
Study First
Subject
:
engineering
Instructions:
Answer 43 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Relaxation of chambers of the heart
stenosis...
atrium
diastole
venous return
2. Coronary sinus receives blood directly from this
coronary veins
aorta
prevent friction as the heart beats
pressoreceptors in teh carotid and aortic sinuses
3. Endocardium lines the chambers of the heart
is smooth to prevent abnormal clotting within the heart
closure of the valves
bradycardia
diastole
4. Hormone ANP increases loss of ____in urine to decrease blood volume and blood pressure
sodium ions and water
systole
arrhythmias
epicardium
5. The centers that regulate heart rate located in the___
aortic and pulmonary semilunar valves
bradycardia
medulla
epicardium
6. The chambers of teh heart that receive blood from the veins
aortic and pulmonary semilunar valves
arrhythmias
ischemia
right and left atria
7. 1st branches of teh ascending aorta
bicuspid valve
coronary arteries
coronary veins
aortic and pulmonary semilunar valves
8. Electical activity of the heart may be depicted in an
arrhythmias
ECG
fibrullation
superior and inferior caval veins
9. Narrowing of a valve
venous return
fibrous epicardium
stenosis...
pressoreceptors in teh carotid and aortic sinuses
10. Upper chamber of the heart
SA node
arrhythmias
atrium
coronary veins
11. Nerves that transmit impulses to decrease the heart rate are the ____
vagus nerves
stroke volume
ECG
right and left atria
12. Funciton of the serous fluid of teh pericardial membranes
cardiac output
prevent friction as the heart beats
myocardium
systole
13. First part of the cardia conduction pathway in teh ventircles
prevent friction as the heart beats
bundle of His...
aortic and pulmonary semilunar valves
coronary veins
14. Backflow o fblood from the arteries to the ventricles is prevented by these
stenosis...
superior and inferior caval veins
medial to the lungs and superior to the diaphragm
aortic and pulmonary semilunar valves
15. Prevents backflow of blood from teh right ventricle to the right atrium
sodium ions and water
myocardium
tricuspid valve
diastole
16. Area in the thoracic cavity between the lungs
myocardium
systole
mediastinum
SA node
17. Prevents backflow of blood from the left ventricle to the left atrium
myocardium
bradycardia
pressoreceptors in teh carotid and aortic sinuses
bicuspid valve
18. Very rapid and uncoordinated ventricular beat
SA node
fibrullation
medial to the lungs and superior to the diaphragm
systole
19. Purpose of teh coronary vessels
supply the heart with oxygenated blood
vagus nerves
aorta
coronary arteries
20. Difference between resting cardiac output adn maximum exercise cardiac output
aorta
coronary veins
cardiac reserve
SA node
21. Cardiac muscle tissue
supply the heart with oxygenated blood
myocardium
stroke volume
coronary veins
22. Normal range of heart rate for a healthy adult is _____ bpm
60-80
myocardium
cardiac output
sodium ions and water
23. Natural pacemaker of the heart
SA node
supply the heart with oxygenated blood
atrium
cardiac cycle
24. Amount of blood pumped by a ventricle per beat
bundle of His...
stroke volume
cardiac reserve
SA node
25. Outermost of the pericardial membranes
superior and inferior caval veins
venous return
fibrous epicardium
stroke volume
26. Irregular heartbeats
arrhythmias
vagus nerves
mediastinum
bradycardia
27. Each normal heartbeat is initiated by this
stroke volume
cardiac reserve
ECG
SA node
28. Heart rate below 60 bpm
myocardium
is smooth to prevent abnormal clotting within the heart
epicardium
bradycardia
29. Contraction of chambers of the heart
epicardium
systole
bundle of His...
stroke volume
30. Contraction
coronary arteries
systole
60-80
bradycardia
31. Veins that return blood to the right atrium
superior and inferior caval veins
aorta
pressoreceptors in teh carotid and aortic sinuses
right and left atria
32. Largest artery of the body
aorta
closure of the valves
bradycardia
endocardium
33. Sequence of events in one heartbeat
systole
bradycardia
cardiac cycle
systole
34. Normal heart sounds are caused by
bicuspid valve
closure of the valves
sodium ions and water
aortic and pulmonary semilunar valves
35. Visceral pericardium
supply the heart with oxygenated blood
epicardium
aortic and pulmonary semilunar valves
coronary veins
36. Heart chambers are lined with this
endocardium
mediastinum
stroke volume
atrium
37. Amount of blood pumped by a ventricle in 1 minute
cardiac cycle
endocardium
cardiac output
diastole
38. The amount of blood that returns to teh heart
bicuspid valve
right and left atria
venous return
epicardium
39. Heart is located here
ECG
medial to the lungs and superior to the diaphragm
mediastinum
pressoreceptors in teh carotid and aortic sinuses
40. Changes in blood pressure are detected by
pressoreceptors in teh carotid and aortic sinuses
tricuspid valve
aorta
closure of the valves
41. Relaxation
endocardium
diastole
venous return
aortic and pulmonary semilunar valves
42. Part of the myocardium is deprived of its blood supply and becomes ______
fibrullation
ischemia
endocardium
bicuspid valve
43. Vessel into which the left ventricle pumps blood
aorta
arrhythmias
closure of the valves
cardiac output